<!DOCTYPE html>
<html lang="en">

<head>
	<meta charset="UTF-8">
	<link rel="stylesheet" href="css/index.css">
	<title>正方体</title>
	<link rel="shortcut icon" href="https://www.eveningwater.com/static/image/icon.jpg" type="image/x-icon">
</head>

<body>
	<div class="square-perspective-box">
		<div class="square-box-front"></div>
		<div class="square-box-behind"></div>
		<div class="square-box-top"></div>
		<div class="square-box-right"></div>
		<div class="square-box-bottom"></div>
		<div class="square-box-left"></div>
	</div>
</body>

</html>